:root { --primary: #ff6b81; --secondary: #4facfe; --dark: #2d3436; --light: #f8f9fa; --accent: #ffeb3b; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; line-height: 1.6; color: var(--dark); background: #ffffff; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { padding: 20px 0; background: #fff; position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 10px rgba(0,0,0,0.05); }
        .nav-inner { display: flex; align-items: center; justify-content: space-between; }
        .nav-links { display: flex; align-items: center; gap: 0; }
        .nav-links a { padding: 0 15px; text-decoration: none; color: var(--dark); font-weight: 500; font-size: 14px; }
        .btn { padding: 10px 25px; border-radius: 30px; text-decoration: none; font-weight: bold; transition: all 0.3s; display: inline-block; }
        .btn-primary { background: var(--primary); color: #fff; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #fff5f7, #f0f7ff); }
        .hero h1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark); }
        .section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-top: 30px; }
        .card { padding: 30px; border-radius: 20px; background: #fff; box-shadow: 0 10px 30px rgba(0,0,0,0.05); transition: transform 0.3s; }
        .card:hover { transform: translateY(-10px); }
        table { width: 100%; border-collapse: collapse; margin-top: 20px; }
        th, td { padding: 15px; text-align: left; border-bottom: 1px solid #eee; }
        footer { background: var(--dark); color: #fff; padding: 40px 0; text-align: center; }
        .faq-item { margin-bottom: 15px; border: 1px solid #ddd; border-radius: 8px; overflow: hidden; }
        .faq-q { padding: 15px; background: #fdfdfd; cursor: pointer; font-weight: bold; }
        .faq-a { padding: 15px; display: none; background: #fff; }